[R] for-loop for opening a series of files

Yihui Xie xieyihui at gmail.com
Thu Sep 18 06:25:53 CEST 2008

Hi, you may use list.files('dir-of-your-files', ...) to get the paths
of all the files, and use file.info() to get the date attribute, then
order them by date, and finally in a loop

for(i in paths-of-your-files){
open.ncdf(i, ...)

Yihui Xie <xieyihui at gmail.com>
Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086
Mobile: +86-15810805877
Homepage: http://www.yihui.name
School of Statistics, Room 1037, Mingde Main Building,
Renmin University of China, Beijing, 100872, China

On Thu, Sep 18, 2008 at 5:13 AM, Brian Pettegrew
<Brian.P.Pettegrew at noaa.gov> wrote:
> Hello,
> I am fairly new to R programming.  I have a series of netcdf files that I am
> able to open one at a time using open.ncdf.  I want to write this into an R
> script so that I can successively open each file by date in a for-loop.  Any
> suggestions?
> Thanks
> Brian Pettegrew
> --
> Brian Pettegrew
> Research Associate
> Cooperative Institute for Environmental Sciences
> NOAA/ESRL/Global Systems Division
> Boulder, CO  Phone: (303) 497-4129
> E-mail: Brian.P.Pettegrew at noaa.gov

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